Trolley stand base for medical lamp



FIG. 1 is a front perspective view of a trolley stand base for medical lamp showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevation view thereof, the opposite side being a mirror image thereto;

FIG. 4 is a rear elevation view thereof; and,

FIG. 5 is a perspective view thereof, the broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a trolley stand base for medical lamp, as shown and described. 